Sync...step in BPM

Hi All,
we are sending 20 messages through sync step messages in BPM.. we receive 20 responses... then it should send succesmail back to the sender... now our problem is its sending 20 mails back to sender... we dont want this.. we need to send only one success maill after receiving 20 response messages...
can any one help us to how can desing this and fix the issue.
Thanks in advance.
Srinivas

Hi Abhi,
In block we are using foreach mode to send messages one by one.. is that correct.. pls let me know this,
@ supriya yes we are using BPM and need to send the final message behalf of the 20 succesful resonse receive messages..
here....
from sender serived we recive only one message , then in mapping we are splitting into n messages based on the payload volume some times it may 20 , some times 30.... so we need send n messages to target and need to recive n responce message from target... so based on this we need to send succesfull final message back to sender......
this is the present situation... we dont know how many messages it will generate every time .. so how we now decide how much count we can give in multiline container step......(send step).
thanks for your prompt resonses..
srinivas

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Diagnosis
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The below thread talks about the same issue as you are having and it also talks about couple of OSS notes in it...Please see if they are relevant to your case..
Object CL_SWF_XI_MSG_BROKER method SEND_SYNCHRON cannot be executed
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>
Christian Abad Chico wrote:
> Hi experts.
> I have a BPM and some of its steps are:
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>>>
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but i did n't understand regarding the explanation given above.
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Hi
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Kind regards Johan

Johan,
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Sync...step in BPM

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